1# SPDX-License-Identifier: GPL-2.0-only 2config CPU_FREQ_CBE 3 tristate "CBE frequency scaling" 4 depends on CBE_RAS && PPC_CELL 5 default m 6 help 7 This adds the cpufreq driver for Cell BE processors. 8 For details, take a look at <file:Documentation/cpu-freq/>. 9 If you don't have such processor, say N 10 11config CPU_FREQ_CBE_PMI 12 bool "CBE frequency scaling using PMI interface" 13 depends on CPU_FREQ_CBE 14 default n 15 help 16 Select this, if you want to use the PMI interface to switch 17 frequencies. Using PMI, the processor will not only be able to run at 18 lower speed, but also at lower core voltage. 19 20config CPU_FREQ_MAPLE 21 bool "Support for Maple 970FX Evaluation Board" 22 depends on PPC_MAPLE 23 help 24 This adds support for frequency switching on Maple 970FX 25 Evaluation Board and compatible boards (IBM JS2x blades). 26 27config CPU_FREQ_PMAC 28 bool "Support for Apple PowerBooks" 29 depends on ADB_PMU && PPC32 30 help 31 This adds support for frequency switching on Apple PowerBooks, 32 this currently includes some models of iBook & Titanium 33 PowerBook. 34 35config CPU_FREQ_PMAC64 36 bool "Support for some Apple G5s" 37 depends on PPC_PMAC && PPC64 38 help 39 This adds support for frequency switching on Apple iMac G5, 40 and some of the more recent desktop G5 machines as well. 41 42config PPC_PASEMI_CPUFREQ 43 bool "Support for PA Semi PWRficient" 44 depends on PPC_PASEMI 45 default y 46 help 47 This adds the support for frequency switching on PA Semi 48 PWRficient processors. 49 50config POWERNV_CPUFREQ 51 tristate "CPU frequency scaling for IBM POWERNV platform" 52 depends on PPC_POWERNV 53 default y 54 help 55 This adds support for CPU frequency switching on IBM POWERNV 56 platform 57